WiiUPluginSystem/plugins/storage_test_plugin/src/catch2/catch_test_case_info.cpp
2024-04-25 13:57:35 +02:00

264 lines
10 KiB
C++

// Copyright Catch2 Authors
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE.txt or copy at
// https://www.boost.org/LICENSE_1_0.txt)
// SPDX-License-Identifier: BSL-1.0
#include <catch2/catch_test_case_info.hpp>
#include <catch2/internal/catch_enforce.hpp>
#include <catch2/internal/catch_string_manip.hpp>
#include <catch2/internal/catch_case_insensitive_comparisons.hpp>
#include <cassert>
#include <cctype>
#include <algorithm>
namespace Catch {
namespace {
using TCP_underlying_type = uint8_t;
static_assert(sizeof(TestCaseProperties) == sizeof(TCP_underlying_type),
"The size of the TestCaseProperties is different from the assumed size");
TestCaseProperties operator|(TestCaseProperties lhs, TestCaseProperties rhs) {
return static_cast<TestCaseProperties>(
static_cast<TCP_underlying_type>(lhs) | static_cast<TCP_underlying_type>(rhs)
);
}
TestCaseProperties& operator|=(TestCaseProperties& lhs, TestCaseProperties rhs) {
lhs = static_cast<TestCaseProperties>(
static_cast<TCP_underlying_type>(lhs) | static_cast<TCP_underlying_type>(rhs)
);
return lhs;
}
TestCaseProperties operator&(TestCaseProperties lhs, TestCaseProperties rhs) {
return static_cast<TestCaseProperties>(
static_cast<TCP_underlying_type>(lhs) & static_cast<TCP_underlying_type>(rhs)
);
}
bool applies(TestCaseProperties tcp) {
static_assert(static_cast<TCP_underlying_type>(TestCaseProperties::None) == 0,
"TestCaseProperties::None must be equal to 0");
return tcp != TestCaseProperties::None;
}
TestCaseProperties parseSpecialTag( StringRef tag ) {
if( !tag.empty() && tag[0] == '.' )
return TestCaseProperties::IsHidden;
else if( tag == "!throws"_sr )
return TestCaseProperties::Throws;
else if( tag == "!shouldfail"_sr )
return TestCaseProperties::ShouldFail;
else if( tag == "!mayfail"_sr )
return TestCaseProperties::MayFail;
else if( tag == "!nonportable"_sr )
return TestCaseProperties::NonPortable;
else if( tag == "!benchmark"_sr )
return TestCaseProperties::Benchmark | TestCaseProperties::IsHidden;
else
return TestCaseProperties::None;
}
bool isReservedTag( StringRef tag ) {
return parseSpecialTag( tag ) == TestCaseProperties::None
&& tag.size() > 0
&& !std::isalnum( static_cast<unsigned char>(tag[0]) );
}
void enforceNotReservedTag( StringRef tag, SourceLineInfo const& _lineInfo ) {
CATCH_ENFORCE( !isReservedTag(tag),
"Tag name: [" << tag << "] is not allowed.\n"
<< "Tag names starting with non alphanumeric characters are reserved\n"
<< _lineInfo );
}
std::string makeDefaultName() {
static size_t counter = 0;
return "Anonymous test case " + std::to_string(++counter);
}
StringRef extractFilenamePart(StringRef filename) {
size_t lastDot = filename.size();
while (lastDot > 0 && filename[lastDot - 1] != '.') {
--lastDot;
}
--lastDot;
size_t nameStart = lastDot;
while (nameStart > 0 && filename[nameStart - 1] != '/' && filename[nameStart - 1] != '\\') {
--nameStart;
}
return filename.substr(nameStart, lastDot - nameStart);
}
// Returns the upper bound on size of extra tags ([#file]+[.])
size_t sizeOfExtraTags(StringRef filepath) {
// [.] is 3, [#] is another 3
const size_t extras = 3 + 3;
return extractFilenamePart(filepath).size() + extras;
}
} // end unnamed namespace
bool operator<( Tag const& lhs, Tag const& rhs ) {
Detail::CaseInsensitiveLess cmp;
return cmp( lhs.original, rhs.original );
}
bool operator==( Tag const& lhs, Tag const& rhs ) {
Detail::CaseInsensitiveEqualTo cmp;
return cmp( lhs.original, rhs.original );
}
Detail::unique_ptr<TestCaseInfo>
makeTestCaseInfo(StringRef _className,
NameAndTags const& nameAndTags,
SourceLineInfo const& _lineInfo ) {
return Detail::make_unique<TestCaseInfo>(_className, nameAndTags, _lineInfo);
}
TestCaseInfo::TestCaseInfo(StringRef _className,
NameAndTags const& _nameAndTags,
SourceLineInfo const& _lineInfo):
name( _nameAndTags.name.empty() ? makeDefaultName() : _nameAndTags.name ),
className( _className ),
lineInfo( _lineInfo )
{
StringRef originalTags = _nameAndTags.tags;
// We need to reserve enough space to store all of the tags
// (including optional hidden tag and filename tag)
auto requiredSize = originalTags.size() + sizeOfExtraTags(_lineInfo.file);
backingTags.reserve(requiredSize);
// We cannot copy the tags directly, as we need to normalize
// some tags, so that [.foo] is copied as [.][foo].
size_t tagStart = 0;
size_t tagEnd = 0;
bool inTag = false;
for (size_t idx = 0; idx < originalTags.size(); ++idx) {
auto c = originalTags[idx];
if (c == '[') {
CATCH_ENFORCE(
!inTag,
"Found '[' inside a tag while registering test case '"
<< _nameAndTags.name << "' at " << _lineInfo );
inTag = true;
tagStart = idx;
}
if (c == ']') {
CATCH_ENFORCE(
inTag,
"Found unmatched ']' while registering test case '"
<< _nameAndTags.name << "' at " << _lineInfo );
inTag = false;
tagEnd = idx;
assert(tagStart < tagEnd);
// We need to check the tag for special meanings, copy
// it over to backing storage and actually reference the
// backing storage in the saved tags
StringRef tagStr = originalTags.substr(tagStart+1, tagEnd - tagStart - 1);
CATCH_ENFORCE( !tagStr.empty(),
"Found an empty tag while registering test case '"
<< _nameAndTags.name << "' at "
<< _lineInfo );
enforceNotReservedTag(tagStr, lineInfo);
properties |= parseSpecialTag(tagStr);
// When copying a tag to the backing storage, we need to
// check if it is a merged hide tag, such as [.foo], and
// if it is, we need to handle it as if it was [foo].
if (tagStr.size() > 1 && tagStr[0] == '.') {
tagStr = tagStr.substr(1, tagStr.size() - 1);
}
// We skip over dealing with the [.] tag, as we will add
// it later unconditionally and then sort and unique all
// the tags.
internalAppendTag(tagStr);
}
}
CATCH_ENFORCE( !inTag,
"Found an unclosed tag while registering test case '"
<< _nameAndTags.name << "' at " << _lineInfo );
// Add [.] if relevant
if (isHidden()) {
internalAppendTag("."_sr);
}
// Sort and prepare tags
std::sort(begin(tags), end(tags));
tags.erase(std::unique(begin(tags), end(tags)),
end(tags));
}
bool TestCaseInfo::isHidden() const {
return applies( properties & TestCaseProperties::IsHidden );
}
bool TestCaseInfo::throws() const {
return applies( properties & TestCaseProperties::Throws );
}
bool TestCaseInfo::okToFail() const {
return applies( properties & (TestCaseProperties::ShouldFail | TestCaseProperties::MayFail ) );
}
bool TestCaseInfo::expectedToFail() const {
return applies( properties & (TestCaseProperties::ShouldFail) );
}
void TestCaseInfo::addFilenameTag() {
std::string combined("#");
combined += extractFilenamePart(lineInfo.file);
internalAppendTag(combined);
}
std::string TestCaseInfo::tagsAsString() const {
std::string ret;
// '[' and ']' per tag
std::size_t full_size = 2 * tags.size();
for (const auto& tag : tags) {
full_size += tag.original.size();
}
ret.reserve(full_size);
for (const auto& tag : tags) {
ret.push_back('[');
ret += tag.original;
ret.push_back(']');
}
return ret;
}
void TestCaseInfo::internalAppendTag(StringRef tagStr) {
backingTags += '[';
const auto backingStart = backingTags.size();
backingTags += tagStr;
const auto backingEnd = backingTags.size();
backingTags += ']';
tags.emplace_back(StringRef(backingTags.c_str() + backingStart, backingEnd - backingStart));
}
bool operator<( TestCaseInfo const& lhs, TestCaseInfo const& rhs ) {
// We want to avoid redoing the string comparisons multiple times,
// so we store the result of a three-way comparison before using
// it in the actual comparison logic.
const auto cmpName = lhs.name.compare( rhs.name );
if ( cmpName != 0 ) {
return cmpName < 0;
}
const auto cmpClassName = lhs.className.compare( rhs.className );
if ( cmpClassName != 0 ) {
return cmpClassName < 0;
}
return lhs.tags < rhs.tags;
}
TestCaseInfo const& TestCaseHandle::getTestCaseInfo() const {
return *m_info;
}
} // end namespace Catch